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#include <QtTest/QtTest>

#include <qdebug.h>

#include <QtScript/qscriptengine.h>

#include <QtScript/qscriptable.h>

//TESTED_CLASS=

//TESTED_FILES=

class MyScriptable : public QObject, public QScriptable

{

    Q_OBJECT

    Q_PROPERTY(int baz READ baz WRITE setBaz)

    Q_PROPERTY(QObject* zab READ zab WRITE setZab)

    Q_PROPERTY(int 0 READ baz)

    Q_PROPERTY(QObject* 1 READ zab)

    Q_PROPERTY(int oof WRITE setOof)

public:

    MyScriptable(QObject *parent = 0)

        : QObject(parent), m_lastEngine(0)

        { }

    ~MyScriptable() { }

    QScriptEngine *lastEngine() const;

    void setOof(int)

        { m_oofThisObject = context()->thisObject(); }

    QScriptValue oofThisObject() const

        { return m_oofThisObject; }

    void emitSig(int value)

        { emit sig(value); }

public slots:

    void foo();

    void setX(int x);

    void setX(const QString &x);

    void setX2(int x);

    bool isBar();

    int baz();

    void setBaz(int x);

    void evalIsBar();

    bool useInAnotherEngine();

    void setOtherEngine();

    QObject *zab();

    QObject *setZab(QObject *);

    QScriptValue getArguments();

    int getArgumentCount();

signals:

    void sig(int);

private:

    QScriptEngine *m_lastEngine;

    QScriptEngine *m_otherEngine;

    QScriptValue m_oofThisObject;

};

QScriptEngine *MyScriptable::lastEngine() const

{

    return m_lastEngine;

}

int MyScriptable::baz()

{

    m_lastEngine = engine();

    return 123;

}

void MyScriptable::setBaz(int)

{

    m_lastEngine = engine();

}

QObject *MyScriptable::zab()

{

    return thisObject().toQObject();

}

QObject *MyScriptable::setZab(QObject *)

{

    return thisObject().toQObject();

}

QScriptValue MyScriptable::getArguments()

{

    return context()->argumentsObject();

}

int MyScriptable::getArgumentCount()

{

    return context()->argumentCount();

}

void MyScriptable::foo()

{

    m_lastEngine = engine();

    QVERIFY(engine() != 0);

    context()->throwError("MyScriptable.foo");

}

void MyScriptable::evalIsBar()

{

    engine()->evaluate("this.isBar()");

    m_lastEngine = engine();

}

bool MyScriptable::useInAnotherEngine()

{

    QScriptEngine eng;

    eng.globalObject().setProperty("foo", eng.newQObject(this));

    eng.evaluate("foo.baz()");

    m_lastEngine = engine();

    return (m_otherEngine == &eng);

}

void MyScriptable::setOtherEngine()

{

    m_otherEngine = engine();

}

void MyScriptable::setX(int x)

{

    m_lastEngine = engine();

    Q_ASSERT(engine());

    thisObject().setProperty("x", QScriptValue(engine(), x));

}

void MyScriptable::setX(const QString &x)

{

    m_lastEngine = engine();

    Q_ASSERT(engine());

    thisObject().setProperty("x", QScriptValue(engine(), x));

}

void MyScriptable::setX2(int)

{

    m_lastEngine = engine();

    thisObject().setProperty("x", argument(0));

}

bool MyScriptable::isBar()

{

    m_lastEngine = engine();

    QString str = thisObject().toString();

    return str.contains(QLatin1Char('@'));

}

class tst_QScriptable : public QObject

{

    Q_OBJECT

public:

    tst_QScriptable();

    virtual ~tst_QScriptable();

private slots:

    void initTestCase();

    void cleanupTestCase();

    void engine();

    void thisObject();

    void arguments();

    void throwError();

private:

    QScriptEngine m_engine;

    MyScriptable m_scriptable;

};

tst_QScriptable::tst_QScriptable()

{

}

tst_QScriptable::~tst_QScriptable()

{

}

void tst_QScriptable::initTestCase()

{

    QScriptValue obj = m_engine.newQObject(&m_scriptable);

    m_engine.globalObject().setProperty("scriptable", obj);

}

void tst_QScriptable::cleanupTestCase()

{

}

void tst_QScriptable::engine()

{

    QCOMPARE(m_scriptable.engine(), (QScriptEngine*)0);

    QCOMPARE(m_scriptable.context(), (QScriptContext*)0);

    QCOMPARE(m_scriptable.lastEngine(), (QScriptEngine *)0);

    // reading property

    {

        QScriptValue ret = m_engine.evaluate("scriptable.baz");

        QCOMPARE(ret.strictlyEquals(QScriptValue(&m_engine, 123)), true);

    }

    QCOMPARE(m_scriptable.lastEngine(), &m_engine);

    {

        QScriptValue ret = m_engine.evaluate("scriptable[0]");

        QCOMPARE(ret.strictlyEquals(QScriptValue(&m_engine, 123)), true);

    }

    QCOMPARE(m_scriptable.lastEngine(), &m_engine);

    // when reading from C++, engine() should be 0

    (void)m_scriptable.property("baz");

    QCOMPARE(m_scriptable.lastEngine(), (QScriptEngine *)0);

    // writing property

    m_engine.evaluate("scriptable.baz = 123");

    QCOMPARE(m_scriptable.lastEngine(), &m_engine);

    (void)m_scriptable.setProperty("baz", 123);

    QCOMPARE(m_scriptable.lastEngine(), (QScriptEngine *)0);

    // calling slot

    m_engine.evaluate("scriptable.setX(123)");

    QCOMPARE(m_scriptable.lastEngine(), &m_engine);

    QCOMPARE(m_engine.evaluate("scriptable.x")

             .strictlyEquals(QScriptValue(&m_engine, 123)), true);

    (void)m_scriptable.setProperty("baz", 123);

    QCOMPARE(m_scriptable.lastEngine(), (QScriptEngine *)0);

    // calling overloaded slot

    m_engine.evaluate("scriptable.setX('123')");

    QCOMPARE(m_scriptable.lastEngine(), &m_engine);

    QCOMPARE(m_engine.evaluate("scriptable.x")

             .strictlyEquals(QScriptValue(&m_engine, QLatin1String("123"))), true);

    // calling a slot from another slot

    m_engine.evaluate("scriptable.evalIsBar()");

    QCOMPARE(m_scriptable.lastEngine(), &m_engine);

    // calling a slot that registers m_scriptable in a different engine

    // and calls evaluate()

    {

        QScriptValue ret = m_engine.evaluate("scriptable.useInAnotherEngine()");

        QCOMPARE(m_scriptable.lastEngine(), &m_engine);

    }

}

void tst_QScriptable::thisObject()

{

    m_engine.evaluate("o = { }");

    {

        QScriptValue ret = m_engine.evaluate("o.__proto__ = scriptable;"

                                             "o.setX(123);"

                                             "o.__proto__ = Object.prototype;"

                                             "o.x");

        QCOMPARE(ret.strictlyEquals(QScriptValue(&m_engine, 123)), true);

    }

    {

        QScriptValue ret = m_engine.evaluate("o.__proto__ = scriptable;"

                                             "o.setX2(456);"

                                             "o.__proto__ = Object.prototype;"

                                             "o.x");

        QCOMPARE(ret.strictlyEquals(QScriptValue(&m_engine, 456)), true);

    }

    m_engine.evaluate("o.__proto__ = scriptable");

    {

        QScriptValue ret = m_engine.evaluate("o.isBar()");

        QCOMPARE(ret.strictlyEquals(QScriptValue(&m_engine, false)), true);

    }

    {

        QScriptValue ret = m_engine.evaluate("o.toString = function() { return 'foo@bar'; }; o.isBar()");

        QCOMPARE(ret.strictlyEquals(QScriptValue(&m_engine, true)), true);

    }

    // property getter

    {

        QScriptValue ret = m_engine.evaluate("scriptable.zab");

        QCOMPARE(ret.isQObject(), true);

        QCOMPARE(ret.toQObject(), (QObject *)&m_scriptable);

    }

    {

        QScriptValue ret = m_engine.evaluate("scriptable[1]");

        QCOMPARE(ret.isQObject(), true);

        QCOMPARE(ret.toQObject(), (QObject *)&m_scriptable);

    }

    {

        QScriptValue ret = m_engine.evaluate("o.zab");

        QCOMPARE(ret.toQObject(), (QObject *)0);

    }

    // property setter

    {

        QScriptValue ret = m_engine.evaluate("scriptable.setZab(null)");

        QCOMPARE(ret.isQObject(), true);

        QCOMPARE(ret.toQObject(), (QObject *)&m_scriptable);

    }

    {

        QVERIFY(!m_scriptable.oofThisObject().isValid());

        m_engine.evaluate("o.oof = 123");

        QEXPECT_FAIL("", "Setter doesn't get called when it's in the prototype", Continue);

        QVERIFY(m_scriptable.oofThisObject().strictlyEquals(m_engine.evaluate("o")));

    }

    {

        m_engine.evaluate("scriptable.oof = 123");

        QVERIFY(m_scriptable.oofThisObject().strictlyEquals(m_engine.evaluate("scriptable")));

    }

    // target of signal

    {

        {

            QScriptValue ret = m_engine.evaluate("scriptable.sig.connect(o, scriptable.setX)");

            QVERIFY(ret.isUndefined());

        }

        QVERIFY(m_engine.evaluate("o.x").strictlyEquals(QScriptValue(&m_engine, 456)));

        m_scriptable.emitSig(654321);

        QVERIFY(m_engine.evaluate("o.x").strictlyEquals(QScriptValue(&m_engine, 654321)));

        {

            QScriptValue ret = m_engine.evaluate("scriptable.sig.disconnect(o, scriptable.setX)");

            QVERIFY(ret.isUndefined());

        }

    }

    m_engine.evaluate("delete o");

}

void tst_QScriptable::arguments()

{

    // even though the C++ slot accepts zero arguments, it should

    // still be invoked; the arguments should be accessible through

    // the QScriptable API

    QScriptValue args = m_engine.evaluate("scriptable.getArguments(10, 20, 30, 'hi')");

    QVERIFY(args.property("length").strictlyEquals(QScriptValue(&m_engine, 4)));

    QVERIFY(args.property("0").strictlyEquals(QScriptValue(&m_engine, 10)));

    QVERIFY(args.property("1").strictlyEquals(QScriptValue(&m_engine, 20)));

    QVERIFY(args.property("2").strictlyEquals(QScriptValue(&m_engine, 30)));

    QVERIFY(args.property("3").strictlyEquals(QScriptValue(&m_engine, "hi")));

    QScriptValue argc = m_engine.evaluate("scriptable.getArgumentCount(1, 2, 3)");

    QVERIFY(argc.isNumber());

    QCOMPARE(argc.toInt32(), 3);

    QCOMPARE(m_scriptable.argumentCount(), -1);

    QVERIFY(!m_scriptable.argument(-1).isValid());

    QVERIFY(!m_scriptable.argument(0).isValid());

}

void tst_QScriptable::throwError()

{

    QScriptValue ret = m_engine.evaluate("scriptable.foo()");

    QCOMPARE(ret.isError(), true);

    QCOMPARE(ret.toString(), QString("Error: MyScriptable.foo"));

}

QTEST_MAIN(tst_QScriptable)

#include "tst_qscriptable.moc"